Home / 712,134.96-1,068,199.56-291,410.64

Finding the Fourth Proportional to 712,134.96, 1,068,199.56 and 291,410.64

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Solution

The fourth proportional to 712,134.96, 1,068,199.56 and 291,410.64 is: 437,114.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,134.96 : 1,068,199.56 = 291,410.64 : x
  2. Step 2: Convert to fraction form
    712,134.96/1,068,199.56 = 291,410.64/x
  3. Step 3: Cross multiply
    712,134.96x = 1,068,199.56 × 291,410.64
  4. Step 4: Simplify right side
    712,134.96x = 311,284,717,427.32
  5. Step 5: Solve for x
    x = 311,284,717,427.32/712,134.96
  6. Step 6: Final answer
    x = 437,114.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.